can anyone help?

"So, I was talking to this guy and I asked him if english was his first language.He said no. So I was like I knew it"
Im trying to translate a blog "[FONT='Calibri','sans-serif']Estuve hablando con este chico y le pregunté si inglés fue su primer idioma. Dijo no. " Im stuck on the last bit. Thanks[/FONT]